Machine for beating and polishing rice



(No Model.)

J. R. SAMPLE. MACHINE PORBEATING AND POLISHING RICE.

No. 244,316. Patented July 12,1881.

WITNESSES emme PATENT Orricn.

Moon R. SAMPLE, on SUMMIT, MISSISSIPPI.

MACHINE FORBEATINLG AND POLISHING RICE.

srncrrrcrfiriou' formingpart of Letters Patent No. 244,316, dated .Tii1y12, 1881'. Application filed February 21, 1881. (No-model.)

fication.

Figure 1 is a side elevation of my improvement. Fig. 2 is a sectional elevation of the same. Fig.3 is a portion of the section shown in Fig. 2, enlarged. Fig. 4 is a longitudinal sectional elevation of a part of the beater, taken through the line a: m, Fig. 2. Fig. 5 is a longitudinal sectional elevation of the polisher, taken through the line y 51 Fig. 1.

Similar letters of reference indicate correspondin g parts.

The object of this invention is to facilitate the removal of the bulls of rice and the cleaning and polishing of the kernels.

A represents, the base bars or sills of the machine, which are made of sufficient length to give a stable support to the operating parts of the machine.

To the centers of the base-bars A are attached the lower ends of the uprights B, which are strengthened in position by the inclined braces G. The lower ends of the braces O are secured to the end parts of the base-bars A, and the upper ends of the said braces are secured to the opposite sides of the upper ends of the uprights B. The uprights B are connected at their upper ends by a cross-bar, D, and a little below their centers by cross-bars E, attached to their opposite sides. The braces O are also connected by cross-bars F, attached to their outer sides a little above their centers.

The beating or hulling drum is formed by attaching staves G to the edges of two heads, H, and is strengthened by hoops or bands I, of iron or other suitable material.

To the inner sides of the heads H and staves G are'att-ached triangular ribs J, and in the inner surfaces of the said staves Gr, between the side angles of the triangular ribs J, are formed half-round grooves K, to form spaces for the kernels to escape around the rounded edges of the triangular ribs L without being crushed.

The ribs -L are attached to the outersnrface of the cylinder M, which is made solid to give it sufficient weight to properly beat or h ull the rice. The ribs L are made higher and narrower than the ribs J, to leave space for the rice and to allow the said rice to pass between them and the said ribs J, so that the said ribs 5 L will act upon the rice in the grooves K in the same manner that a pestle acts upon grain in a mortar.

The ribbed cylinder L M is made smaller than the interior of the ribbed drum G H J, and is placed loose within the said drum, so as to be revolved by the friction of the ribs J upon the ribs L as the said drum is revolved.

To the centers of the heads H are secured gudgeons N, which revolve in bearin gs in the 6 uprights B. One of the gudgeons Nprojects, and to it is attached a crank, 0, when the machine is operated by hand, and a pulley when the machine is operated by power.

In one side of the drum G H J is formed a I slot, P, through which the rice is received and discharged, and which is closed by a strip or narrow stave, Q, secured in place by hasps, staples, and keys, or other suitable means. When the rice has been sufficiently beaten the 7 strip or stave Q, is removed, the drum G H J is turned slot downward, and the rice is al- -W lowed to flow out into a vessel, R, placed beneath the said drum. The rice is guided into the vessel R by the inclined aprons S, attached to the cross-bars E F. The rice is kept from flowing off the aprons S at their side edges by cleats T, attached to them. .As the riceis falling from the drum G H J it is subjected to an air-blast from the fans U, by which the hulls 8 5 or chaff are blown away.

The journals of the fans U revolve in bearings in the braces G, and to one of the said journals or to the fan-shaft is attached a pulley, V, around which passes a band, W. The hand W also passes around a pulley, X, attached to or formed upon the drum G H J, so that the fans U can be driven from the said drum.

From the vessel R the rice is poured into 5 the polishing-drum through a hole, Y, in one of the heads Z of the said drum, which hole is then closed by a bung or other suitable means. The heads Z are attached to a shaft, a, which revolves in open bearings b, attached to the we braces 0.

To one of the journals of the shaft a is attaohed a crank, 0, by means of which the polishing-drum is revolved by hand; or the crank 0 can be replaced by a pulley and the said polishing-drum revolved from the beating-drum G H J.

To the heads Z, ata little distance from their edges, are attached the ends of four (more or less) light square bars, (1, by the contact of which with the rice the said rice is cleaned and polished.

To the edges of the heads Z is attached wiregauze e, to allow the dust and fine chafl' rubbed from the rice to escape, which wire-gauze is made of such a fineness of mesh that the kernels of rice cannot pass through the said gauze. 

